On Mon, Oct 10, 2011 at 11:47 AM, Scott Fines <scott.fi...@nisc.coop> wrote: > Hi all, > This may be a silly question, but I'm at a bit of a loss, and was hoping for > some help. > I have a Cassandra cluster set up with two NICs--one for internel > communication between cassandra machines (10.1.1.*), and one to respond to > Thrift RPC (172.28.*.*). > I also have a Hadoop cluster set up, which, for unrelated reasons, has to > remain separate from Cassandra, so I've written a little MapReduce job to > copy data from Cassandra to Hadoop. However, when I try to run my job, I > get > java.io.IOException: failed connecting to all endpoints > 10.1.1.24,10.1.1.17,10.1.1.16 > which is puzzling to me. It seems like the MR is attempting to connect to > the internal communication IPs instead of the external Thrift IPs. Since I > set up a firewall to block external access to the internal IPs of Cassandra, > this is obviously going to fail. > So my question is: why does Cassandra MR seem to be grabbing the > listen_address instead of the Thrift one. Presuming it's not a funky > configuration error or something on my part, is that strictly necessary? All > told, I'd prefer if it was connecting to the Thrift IPs, but if it can't, > should I open up port 7000 or port 9160 between Hadoop and Cassandra? > Thanks for your help, > Scott
Your cassandra is old, upgrade to the latest version. -Brandon
